/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.optimizer.workload;

import com.alibaba.polardbx.druid.util.StringUtils;

/**
 * @author dylan
 */
public enum ExchangeOptimizerType {
    SMP, MPP, COLUMNAR;

    public static ExchangeOptimizerType getType(String type) {
        if (StringUtils.isEmpty(type)) {
            return null;
        }
        type = type.toLowerCase();
        switch (type.toLowerCase()) {
        case "smp":
            return SMP;
        case "mpp":
            return MPP;
        case "columnar":
            return COLUMNAR;
        default:
            return null;
        }
    }
}